The item is made of resin material, safe in fresh water or salty water and will not fade, very durable. It can pretty up your fish tank and makes your tank look a lot more fun, also catch your fish's eyes. Features: Made of resin material, safe in fresh water or salty water and will not fade, very durable. Ideal for fresh and salt water aquariums, better to decorate your aquarium. It can pretty up your fish tank and makes your tank look a lot more fun, also catch your fish's eyes. A variety of holes to facilitate the passage of fish and shrimp to create a beautiful underwater world . Durable& Steady- The aquarium decor ornaments' flat bottom and its weight is heavy enough to have it stand steadily at one place of your fish tank. All you have to do is to choose a place to put, no further adjustment needed. Specifications: Material: Resin Color: As picture shown Size: 16 x13.5 x 13cm / 6.30 x 5.31 x 5.12 inch (appr.) Package Included: 1 x Aquarium Decor Notice: Please allow 1-3cm error due to manual measurement and make sure you do not mind before ordering. Please understand that colors may exist chromatic aberration as the different placement of pictures.